My truck is a 2018 1500 Big horn. The fit is perfect. Just like stock. This is the third Ram I had with Spyder Tail lights and the quality has always been great. Never had errors or hyper flash. Never had leaks or fading. No need to use AlfaOBD with them either. They are error free l.
The seller on eBay is Vipmotoz. I sent a screenshot of them. Nowhere in the description does it say they are Spyder but as you can see from the box they are. They don’t mention the brand in the ad on purpose so nobody can try and use their add to get a price match.
As for the back up lights. They are from Diesel LED’s. And I highly recommend you get their license plate bulbs $13.00 (CHEAP!!) and cargo bulb set $30. VERY impressed with their fast shipping, quality and pricing. The backup bulbs especially are RIDICULOUS. They are so bright it’s crazy. Did not make any changes in AlfaOBD for any of their bulbs. No faults
https://dieselleds.com/
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